27组分VOC混标, VOC Mixture,2.0 mg/mL in MeOH

1,2-二溴乙烷,1,2-二溴-3-氯丙烷, 1,2-Dibromoethane &1,2-Dibromo-3-chloropropane,2.0 mg/mL in MeOH

7组分-邻苯二甲酸酯类混标, Method 506-Phthalate Esters,Varied conc. in MeOH

G混标, Method 507-Mix G,1000 μg/mL in MtBE

方法508.1——17组分农药混标, Method 508.1 (SDWA) Regulated Pesticide Mix,100 μg/mL in MtBE

4,4'-Dibromobiphenyl ,0.1 mg/mL in Ethyl acetate

4,4'-二溴联苯

有机氯混标30组分, Method 508-Chlorinated Pesticides by GC/ECD,1000 μg/mL in MtBE

4,4'-Dichlorobiphenyl,0.5 mg/mL in MtBE

4,4-二氯联苯

实验室甲基衍生物性能检测溶液, Laboratory Performance Check Methyl Derivatives,Varied conc. in MtBE

10组分校准溶液, Calibration Solution,Varied conc. in MtBE